Structural and magnetic analysis of the Bix-1Sm0xFeO3 (x=0.04 and 0.07) system
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2017-12-29
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Abstract
This work reports on the synthesis and characterization of the Bix-1SmxFeO3 (x=0.04
and 0.07) systems, produced by the solid-state reaction method. The samples obtained were
characterized by X-Ray Diffraction (XRD), Rietveld refinement and magnetization
measurements as a function of the magnetic field applied and temperature. The structural
characterization was performed by Rietveld refinement and allowed the identification of a
perovskite type structure on all the materials with rhombohedral crystalline system and R3C
space group. The characterization by Scanning Electron Microscope (SEM) allowed to
determine that the sintered solids present a homogenous microstructure. The magnetization
curves as a function of magnetic field applied at 50 and 300K and as a function of the
temperature at 5000Oe of the sintered solids exhibited a ferromagnetic behavior, with a rise of
the permanent magnetization (Mr), the coercive field (Hc) and the magnetic susceptibility
when the samarium concentration rose up. The structural and magnetic characteristics that are
generated in the obtained solids make these materials of great interest as multiferroic
components.
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Atribución-NoComercial-CompartirIgual 2.5 Colombia